<template>
  <div class="right-board" style="height: 100%;">
    <el-tabs v-model="currentTab" class="center-tabs">
      <el-tab-pane label="组件属性" name="field" />
    </el-tabs>

    <div class="field-box">
      <!-- <a class="document-link" target="_blank" :href="documentLink" title="查看组件文档">
        <i class="el-icon-link" />
      </a> -->
      <el-scrollbar class="right-scrollbar">
        <!-- 组件属性 -->
        <el-form size="small" label-width="90px">
          <el-row>
            <el-col :span="12">
              <el-form-item label="组件类型">
                <el-select v-model="activeData.tagIcon" placeholder="请选择组件类型" @change="tagChange">
                  <el-option-group v-for="group in tagList" :key="group.label" :label="group.label">
                    <el-option v-for="item in group.options" :key="item.label" :label="item.label" :value="item.tagIcon">
                      <svg-icon class="node-icon" :icon-class="item.tagIcon" />
                      <span> {{ item.label }}</span>
                    </el-option>
                  </el-option-group>
                </el-select>
              </el-form-item>
            </el-col>
            <el-col :span="12">

            </el-col>
          </el-row>

          <el-row v-if="activeData.name!==undefined || activeData.fieldProp!==undefined">
            <el-col :span="12" v-if="activeData.name!==undefined">
              <el-form-item label="指标名称">
                <el-input v-model="activeData.name" placeholder="请输入指标名称" />
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="activeData.fieldProp!==undefined">
              <el-form-item label="字段名">
                <el-input v-model="activeData.fieldProp" placeholder="请输入字段名（v-model）" />
              </el-form-item>
            </el-col>
          </el-row>

          <el-row v-if="activeData.label!==undefined || activeData.span!==undefined">
            <el-col :span="12" v-if="activeData.label!==undefined">
              <el-form-item label="组件标题">
                <el-input v-model="activeData.label" placeholder="请输入组件标题" />
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="activeData.span!==undefined">
              <el-form-item label="表单栅格" style="width: 97%;">
                <el-slider v-model="activeData.span" :max="24" :min="1" :marks="{6:'',12:'',18:'',24:''}" @change="spanChange" />
              </el-form-item>
            </el-col>
          </el-row>

          <el-row v-if="activeData.componentName!==undefined || activeData.layout==='rowFormItem'">
            <el-col :span="12" v-if="activeData.componentName!==undefined">
              <el-form-item label="组件名">
                {{ activeData.componentName }}
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="activeData.layout==='rowFormItem'">
              <el-form-item label="栅格间隔">
                <el-input-number v-model="activeData.gutter" :min="0" placeholder="栅格间隔" />
              </el-form-item>
            </el-col>
          </el-row>

          <el-row v-if="activeData['start-placeholder']!==undefined || activeData['end-placeholder']!==undefined">
            <el-col :span="12" v-if="activeData['start-placeholder']!==undefined">
              <el-form-item label="开始占位">
                <el-input v-model="activeData['start-placeholder']" placeholder="请输入占位提示" />
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="activeData['end-placeholder']!==undefined">
              <el-form-item label="结束占位">
                <el-input v-model="activeData['end-placeholder']" placeholder="请输入占位提示" />
              </el-form-item>
            </el-col>
          </el-row>
          <el-row>
            <el-col :span="12">
              <el-form-item label="标签宽度">
                <el-input v-model.number="activeData.labelWidth" type="number" placeholder="请输入标签宽度" />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="activeData.style&&activeData.style.width!==undefined" label="组件宽度">
                <el-input v-model="activeData.style.width" placeholder="请输入组件宽度" clearable />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="activeData.placeholder!==undefined" label="占位提示">
                <el-input v-model="activeData.placeholder" placeholder="请输入占位提示" />
              </el-form-item>
            </el-col>
          </el-row>
          <el-form-item v-if="activeData.layout==='rowFormItem'" label="布局模式">
            <el-radio-group v-model="activeData.type">
              <el-radio-button label="default" />
              <el-radio-button label="flex" />
            </el-radio-group>
          </el-form-item>
          <el-form-item v-if="activeData.justify!==undefined&&activeData.type==='flex'" label="水平排列">
            <el-select v-model="activeData.justify" placeholder="请选择水平排列" :style="{width: '100%'}">
              <el-option v-for="(item, index) in justifyOptions" :key="index" :label="item.label" :value="item.value" />
            </el-select>
          </el-form-item>
          <el-form-item v-if="activeData.align!==undefined&&activeData.type==='flex'" label="垂直排列">
            <el-radio-group v-model="activeData.align">
              <el-radio-button label="top" />
              <el-radio-button label="middle" />
              <el-radio-button label="bottom" />
            </el-radio-group>
          </el-form-item>


          <el-row>
            <el-col :span="12">
              <el-form-item v-if="activeData.fieldProp!==undefined" label="默认值">
                <el-input :value="setDefaultValue(activeData.defaultValue)" placeholder="请输入默认值" @input="onDefaultValueInput" />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="activeData.maxlength !== undefined" label="最多输入">
                <el-input v-model="activeData.maxlength" placeholder="请输入字符长度">
                  <template slot="append"> 个字符 </template>
                </el-input>
              </el-form-item>
            </el-col>
          </el-row>
          <el-row v-if="activeData.tag==='el-checkbox-group'">
            <el-col :span="12">
              <el-form-item label="至少应选">
                <el-input-number
                  :value="activeData.min"
                  :min="0"
                  placeholder="至少应选"
                  @input="$set(activeData, 'min', $event?$event:undefined)"
                />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="activeData.tag==='el-checkbox-group'" label="最多可选">
                <el-input-number
                  :value="activeData.max"
                  :min="0"
                  placeholder="最多可选"
                  @input="$set(activeData, 'max', $event?$event:undefined)"
                />
              </el-form-item>
            </el-col>
          </el-row>

          <el-row>
            <el-col :span="12">
              <el-form-item v-if="activeData.prepend!==undefined" label="前缀">
                <el-input v-model="activeData.prepend" placeholder="请输入前缀" />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="activeData.append!==undefined" label="后缀">
                <el-input v-model="activeData.append" placeholder="请输入后缀" />
              </el-form-item>
            </el-col>
          </el-row>

          <el-row>
            <el-col :span="12">
              <el-form-item v-if="activeData.prefixIcon!==undefined" label="前图标">
                <el-input v-model="activeData.prefixIcon" placeholder="请输入前图标名称">
                  <el-button slot="append" icon="el-icon-thumb" @click="openIconsDialog('prefix-icon')">
                    选择
                  </el-button>
                </el-input>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="activeData.suffixIcon !== undefined" label="后图标">
                <el-input v-model="activeData.suffixIcon" placeholder="请输入后图标名称">
                  <el-button slot="append" icon="el-icon-thumb" @click="openIconsDialog('suffix-icon')">
                    选择
                  </el-button>
                </el-input>
              </el-form-item>
            </el-col>
          </el-row>

          <el-row>
            <el-col :span="24">
              <template v-if="['el-checkbox-group', 'el-radio-group', 'el-select'].indexOf(activeData.tag) > -1">
                <el-divider>选项</el-divider>

                  <div v-for="(item, index) in activeData.options" :key="index" class="select-item">
                    <div class="select-line-icon option-drag">
                      <i class="el-icon-s-operation" />
                    </div>
                    <el-input v-model="item.label" placeholder="选项名" size="small" />
                    <el-input
                      placeholder="选项值"
                      size="small"
                      :value="item.value"
                      @input="setOptionValue(item, $event)"
                    />
                    <div class="close-btn select-line-icon" @click="activeData.options.splice(index, 1)">
                      <i class="el-icon-remove-outline" />
                    </div>
                  </div>
                <div style="margin-left: 20px;">
                  <el-button
                    style="padding-bottom: 0"
                    icon="el-icon-circle-plus-outline"
                    type="text"
                    @click="addSelectItem"
                  >
                    添加选项
                  </el-button>
                </div>
                <el-divider />
              </template>
            </el-col>
          </el-row>

          <el-row>
            <el-col :span="6" v-if="activeData.showWordLimit !== undefined">
              <el-form-item label="输入统计">
                <el-switch v-model="activeData.showWordLimit" />
              </el-form-item>
            </el-col>
            <el-col :span="6" v-if="activeData.clearable !== undefined">
              <el-form-item label="能否清空">
                <el-switch v-model="activeData.clearable" />
              </el-form-item>
            </el-col>
            <el-col :span="6" v-if="activeData.readonly !== undefined">
              <el-form-item label="是否只读">
                <el-switch v-model="activeData.readonly" />
              </el-form-item>
            </el-col>
            <el-col :span="6" v-if="activeData.disabled !== undefined">
              <el-form-item label="是否禁用">
                <el-switch v-model="activeData.disabled" />
              </el-form-item>
            </el-col>
            <el-col :span="6" v-if="activeData.required !== undefined">
              <el-form-item label="是否必填">
                <el-switch v-model="activeData.required" />
              </el-form-item>
            </el-col>
          </el-row>

          <template v-if="activeData.layout === 'colFormItem'">
            <el-divider>正则校验</el-divider>
            <div v-for="(item, index) in activeData.regList" :key="index" class="reg-item">
              <span class="close-btn" @click="activeData.regList.splice(index, 1)">
                <i class="el-icon-close" />
              </span>
              <el-row>
                <el-col :span="12">
                  <el-form-item label="表达式">
                    <el-input v-model="item.pattern" placeholder="请输入正则" />
                  </el-form-item>
                </el-col>
                <el-col :span="12">
                  <el-form-item label="错误提示" style="margin-bottom:0">
                    <el-input v-model="item.message" placeholder="请输入错误提示" />
                  </el-form-item>
                </el-col>
              </el-row>

            </div>
            <div style="margin-left: 20px">
              <el-button icon="el-icon-circle-plus-outline" type="text" @click="addReg">
                添加规则
              </el-button>
            </div>
          </template>
        </el-form>
      </el-scrollbar>
    </div>

    <treeNode-dialog :visible.sync="dialogVisible" title="添加选项" @commit="addNode" />
    <icons-dialog :visible.sync="iconsVisible" :current="activeData[currentIconModel]" @select="setIcon" />
  </div>
</template>

<script>
  import { isArray } from 'util'
  import TreeNodeDialog from './TreeNodeDialog'
  import { isNumberStr } from '@/util/index'
  import IconsDialog from './IconsDialog'
  import { inputComponents, selectComponents, layoutComponents } from '@/util/generator/config'

  const dateTimeFormat = {
    date: 'yyyy-MM-dd',
    week: 'yyyy 第 WW 周',
    month: 'yyyy-MM',
    year: 'yyyy',
    datetime: 'yyyy-MM-dd HH:mm:ss',
    daterange: 'yyyy-MM-dd',
    monthrange: 'yyyy-MM',
    datetimerange: 'yyyy-MM-dd HH:mm:ss'
  }

  export default {
    components: {
      TreeNodeDialog,
      IconsDialog
    },
    props: ['showField', 'activeData', 'formConf'],
    data() {
      return {
        currentTab: 'field',
        currentNode: null,
        dialogVisible: false,
        iconsVisible: false,
        currentIconModel: null,
        dateTypeOptions: [{
            label: '日(date)',
            value: 'date'
          },
          {
            label: '周(week)',
            value: 'week'
          },
          {
            label: '月(month)',
            value: 'month'
          },
          {
            label: '年(year)',
            value: 'year'
          },
          {
            label: '日期时间(datetime)',
            value: 'datetime'
          }
        ],
        dateRangeTypeOptions: [{
            label: '日期范围(daterange)',
            value: 'daterange'
          },
          {
            label: '月范围(monthrange)',
            value: 'monthrange'
          },
          {
            label: '日期时间范围(datetimerange)',
            value: 'datetimerange'
          }
        ],
        colorFormatOptions: [{
            label: 'hex',
            value: 'hex'
          },
          {
            label: 'rgb',
            value: 'rgb'
          },
          {
            label: 'rgba',
            value: 'rgba'
          },
          {
            label: 'hsv',
            value: 'hsv'
          },
          {
            label: 'hsl',
            value: 'hsl'
          }
        ],
        justifyOptions: [{
            label: 'start',
            value: 'start'
          },
          {
            label: 'end',
            value: 'end'
          },
          {
            label: 'center',
            value: 'center'
          },
          {
            label: 'space-around',
            value: 'space-around'
          },
          {
            label: 'space-between',
            value: 'space-between'
          }
        ],
        layoutTreeProps: {
          label(data, node) {
            return data.componentName || `${data.label}: ${data.fieldProp}`
          }
        }
      }
    },
    computed: {
      documentLink() {
        return (
          this.activeData.document ||
          'https://element.eleme.cn/#/zh-CN/component/installation'
        )
      },
      dateOptions() {
        if (
          this.activeData.type !== undefined &&
          this.activeData.tag === 'el-date-picker'
        ) {
          if (this.activeData['start-placeholder'] === undefined) {
            return this.dateTypeOptions
          }
          return this.dateRangeTypeOptions
        }
        return []
      },
      tagList() {
        console.log(this.activeData)
        return [{
            label: '输入型组件',
            options: inputComponents
          },
          {
            label: '选择型组件',
            options: selectComponents
          }
        ]
      }
    },
    methods: {
      addReg() {
        console.log(this.activeData.regList)
        // this.activeData.regList.push({
        //   pattern: '',
        //   message: ''
        // })
      },
      addSelectItem() {
        this.activeData.options.push({
          label: '',
          value: ''
        })
      },
      addTreeItem() {
        ++this.idGlobal
        this.dialogVisible = true
        this.currentNode = this.activeData.options
      },
      renderContent(h, {
        node,
        data,
        store
      }) {
        return (
          `<div class="custom-tree-node"> <span>{node.label}</span>
          <span class="node-operation">
            <i on-click={() => this.append(data)}
              class="el-icon-plus"
              title="添加"
            ></i>
            <i on-click={() => this.remove(node, data)}
              class="el-icon-delete"
              title="删除"
            ></i>
          </span>
        </div>`
        )
      },
      append(data) {
        if (!data.children) {
          this.$set(data, 'children', [])
        }
        this.dialogVisible = true
        this.currentNode = data.children
      },
      remove(node, data) {
        const {
          parent
        } = node
        const children = parent.data.children || parent.data
        const index = children.findIndex(d => d.id === data.id)
        children.splice(index, 1)
      },
      addNode(data) {
        this.currentNode.push(data)
      },
      setOptionValue(item, val) {
        item.value = isNumberStr(val) ? +val : val
      },
      setDefaultValue(val) {
        if (Array.isArray(val)) {
          return val.join(',')
        }
        if (['string', 'number'].indexOf(val) > -1) {
          return val
        }
        if (typeof val === 'boolean') {
          return `${val}`
        }
        return val
      },
      onDefaultValueInput(str) {
        if (isArray(this.activeData.defaultValue)) {
          // 数组
          this.$set(
            this.activeData,
            'defaultValue',
            str.split(',').map(val => (isNumberStr(val) ? +val : val))
          )
        } else if (['true', 'false'].indexOf(str) > -1) {
          // 布尔
          this.$set(this.activeData, 'defaultValue', JSON.parse(str))
        } else {
          // 字符串和数字
          this.$set(
            this.activeData,
            'defaultValue',
            isNumberStr(str) ? +str : str
          )
        }
      },
      onSwitchValueInput(val, name) {
        if (['true', 'false'].indexOf(val) > -1) {
          this.$set(this.activeData, name, JSON.parse(val))
        } else {
          this.$set(this.activeData, name, isNumberStr(val) ? +val : val)
        }
      },
      setTimeValue(val, type) {
        const valueFormat = type === 'week' ? dateTimeFormat.date : val
        this.$set(this.activeData, 'defaultValue', null)
        this.$set(this.activeData, 'value-format', valueFormat)
        this.$set(this.activeData, 'format', val)
      },
      spanChange(val) {
        this.formConf.span = val
      },
      multipleChange(val) {
        this.$set(this.activeData, 'defaultValue', val ? [] : '')
      },
      dateTypeChange(val) {
        this.setTimeValue(dateTimeFormat[val], val)
      },
      rangeChange(val) {
        this.$set(
          this.activeData,
          'defaultValue',
          val ? [this.activeData.min, this.activeData.max] : this.activeData.min
        )
      },
      rateTextChange(val) {
        if (val) this.activeData['show-score'] = false
      },
      rateScoreChange(val) {
        if (val) this.activeData['show-text'] = false
      },
      colorFormatChange(val) {
        this.activeData.defaultValue = null
        this.activeData['show-alpha'] = val.indexOf('a') > -1
        this.activeData.renderKey = +new Date() // 更新renderKey,重新渲染该组件
      },
      openIconsDialog(model) {
        this.iconsVisible = true
        this.currentIconModel = model
      },
      setIcon(val) {
        this.activeData[this.currentIconModel] = val
      },
      tagChange(tagIcon) {
        let target = inputComponents.find(item => item.tagIcon === tagIcon)
        if (!target) target = selectComponents.find(item => item.tagIcon === tagIcon)
        this.$emit('tag-change', target)
      }
    }
  }
</script>

<style lang="scss" scoped>
  .right-board {
    width: 100%;
    position: absolute;
    left: 10px;
    top: 150px;
    padding-top: 3px;
    padding: 0 20px 0 0;
    background-color: #fff;
    .field-box {
      position: relative;
      height: calc(100vh - 42px);
      box-sizing: border-box;
      overflow: hidden;

    }

    .el-scrollbar {
      height: 100%;
    }
  }

  .select-item {
    display: flex;
    border: 1px dashed #fff;
    box-sizing: border-box;

    & .close-btn {
      cursor: pointer;
      color: #f56c6c;
    }

    & .el-input+.el-input {
      margin-left: 4px;
    }
  }

  .select-item+.select-item {
    margin-top: 4px;
  }

  .select-item.sortable-chosen {
    border: 1px dashed #409eff;
  }

  .select-line-icon {
    line-height: 32px;
    font-size: 22px;
    padding: 0 4px;
    color: #777;
  }

  .option-drag {
    cursor: move;
  }

  .time-range {
    .el-date-editor {
      width: 227px;
    }

    ::v-deep .el-icon-time {
      display: none;
    }
  }

  .document-link {
    position: absolute;
    display: block;
    width: 26px;
    height: 26px;
    top: 0;
    left: 0;
    cursor: pointer;
    background: #409eff;
    z-index: 1;
    border-radius: 0 0 6px 0;
    text-align: center;
    line-height: 26px;
    color: #fff;
    font-size: 18px;
  }

  .node-label {
    font-size: 14px;
  }

  .node-icon {
    color: #bebfc3;
  }
</style>
